ReVitAlide™ is Sederma's encapsulated retinol. ReVitAlide™ enhances the stability, bioavailability and efficacy of this hero ingredient. Encapsulation protects the retinol from external degradation factors and eases its formulation. ReVitAlide™ is characterized by very good skin compatibility and increased effectiveness: The appearance of wrinkles is tremendously reduced after 2 months of use even at levels as low as 0.09% active retinol.